../ dmsp_15_ephemeris_20140517.txt 22-Jun-2023 00:24 109556 dmsp_16_ephemeris_20140517.txt 22-Jun-2023 00:24 109515 dmsp_17_ephemeris_20140517.txt 22-Jun-2023 00:24 109747 dmsp_18_ephemeris_20140517.txt 22-Jun-2023 00:24 109592 dmsp_19_ephemeris_20140517.txt 22-Jun-2023 00:24 109744